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Driver Operator 1B Exam Questions and Answers 100% Pass

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Driver Operator 1B Exam Questions and Answers 100% Pass What is NFPA 1002? - Standard for Fire Apparatus Driver/Operator Professional Qualifications NFPA 1911 - Inspection, Maintenance, Testing, and Retirement of In-Service Automotive Fire Apparatus Who/What mandates daily inspections - Title ...

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  • December 22, 2024
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  • 2024/2025
  • Exam (elaborations)
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KatelynWhitman
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Driver Operator 1B Exam Questions and
Answers 100% Pass

What is NFPA 1002? - ✔✔Standard for Fire Apparatus Driver/Operator Professional Qualifications


NFPA 1911 - ✔✔Inspection, Maintenance, Testing, and Retirement of In-Service Automotive Fire

Apparatus


Who/What mandates daily inspections - ✔✔Title 49 CFR


Who/What mandates weekly/monthly inspections? - ✔✔Fire Department SOPs, not mandated by law


Two types of Fire pumps - ✔✔1. Positive Dispacement


2. Centrifugal


Which pump can pump air or liquids? - ✔✔Positive displacement pump


Does a positive displacement pump have a small or large amount of slippage? - ✔✔Small amount


Two types of piston pumps - ✔✔1. Single Action - pumps in forward stroke only


2. Double action - pumps in both forward and reverse strokes


Two types of Rotary Pumps - ✔✔1. Rotary gear (commonly used as primer pump)


2. Rotary vane


What is the slippage of a centrifugal pump? - ✔✔100%


What does pump packing do? - ✔✔Lubricates and seals pump shaft




Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE

, 2|Page


What can happen if pump packing is too lose? - ✔✔1. Drafting difficulties


2. Pump inefficiency


What can happen if pump packing is too tight? - ✔✔Damaging the pump shaft due to overheating


What is the principle of centrifugal force? - ✔✔Rapidly revolving impeller hurls the water from the

impeller eye outward. The faster the impeller is turned the farther the water is thrown, thus the increased

velocity.


Doubling the speed at which the impeller is turning will result in ______ times increase in pressure. -

✔✔4 times


Describe series setting - ✔✔The Pressure setting. Each impeller splits the pressure and does half. the 1st

impeller pumps into the 2nd impeller. The volume stays the same but pressure doubles.


Describe parallel setting - ✔✔The Volume setting. Each impeller intakes water at a set pressure and

volume and then exits the same pipe. The volume doubles but the pressure stays the same.


What does the transfer valve do? - ✔✔Switches the two stage pump between volume and pressure

pumping.


Per KCFD, the net pressure should not exceed ____ psi when changing the transfer valves position. -

✔✔20 psi


Per KCFD, which setting is the transfer valve left in and what are the requirements to switch it. - ✔✔It is

left in pressure setting.




In order to switch to parallel you must be under 200 psi and need 2/3 compacity of the pump




Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE

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